. >> most believe it will be a crucial night for romney. >> president obama and arrived today in nevada for three bang days of what campaign -- three days of what campaign aides are calling debate camp. >> i believe in you. i ask you to keep on believing in me. >> the president and romney will hunker down over the next few days as they huddled with senior advisers to prepare for the showdown in denver. in recent days, campaigns have been bending over backward to complement their opponents and downplay expectations. new jersey governor chris christie said a high bar for romney. >> this is the first moment when the american people can see these two guys by side, letting out their visions unfiltered. i think that will be a powerful moment for mitt romney. >> obama senior advisers said they are preparing. >> they have been practicing for months. i am sure they will have a lot of clever lines, but that is not the american people are looking for. >> abc news political analyst matt dowd says advisors are emphasizing style over substance. >> debates that have changed people's lives have been ab